Chris E.

asked • 08/05/17# How do you calculate the surface area of a cylinder cut in half, and then in quarters, and then in eighths?

This is for a chemistry practical involving alka-seltzer tablets. As we increase the surface area, the rate of reaction should increase as well.

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## 1 Expert Answer

Kenneth S. answered • 08/05/17

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Make a schematic drawing of whatever slicing you have performed, and work out the total surface area piece by piece.

For example, if a flat cylindrical tablet is sliced in half by cutting through a diameter of its top, the new surface area is half of what you began with, PLUS one rectangle for the newly exposed side. This is doable.

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Mark M.

08/05/17